Home / 1,371,428.87-2,057,278.50-472,752.30

Finding the Fourth Proportional to 1,371,428.87, 2,057,278.50 and 472,752.30

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Solution

The fourth proportional to 1,371,428.87, 2,057,278.50 and 472,752.30 is: 709,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,428.87 : 2,057,278.50 = 472,752.30 : x
  2. Step 2: Convert to fraction form
    1,371,428.87/2,057,278.50 = 472,752.30/x
  3. Step 3: Cross multiply
    1,371,428.87x = 2,057,278.50 × 472,752.30
  4. Step 4: Simplify right side
    1,371,428.87x = 972,583,142,615.55
  5. Step 5: Solve for x
    x = 972,583,142,615.55/1,371,428.87
  6. Step 6: Final answer
    x = 709,175.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.